Home / 8,080.81-12,121.22-2,534.59

Finding the Fourth Proportional to 8,080.81, 12,121.22 and 2,534.59

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Solution

The fourth proportional to 8,080.81, 12,121.22 and 2,534.59 is: 3,801.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.81 : 12,121.22 = 2,534.59 : x
  2. Step 2: Convert to fraction form
    8,080.81/12,121.22 = 2,534.59/x
  3. Step 3: Cross multiply
    8,080.81x = 12,121.22 × 2,534.59
  4. Step 4: Simplify right side
    8,080.81x = 30,722,286.36
  5. Step 5: Solve for x
    x = 30,722,286.36/8,080.81
  6. Step 6: Final answer
    x = 3,801.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.